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LM4960SQNSN/a503avaiPiezoelectric Speaker Driver


LM4960SQ ,Piezoelectric Speaker DriverApplicationsThe LM4960 is unity-gain stable and can be configured byn Mobile phoneexternal gain-set ..
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LP2986AIMM-3.0 ,Micropower, 200 mA Ultra Low-Dropout Fixed or Adjustable Voltage RegulatorApplicationsdrops approximately 5% below nominal.n Cellular PhonePrecision Output: The standard pro ..
LP2986AIMM-3.0 ,Micropower, 200 mA Ultra Low-Dropout Fixed or Adjustable Voltage RegulatorApplicationsdrops approximately 5% below nominal.n Cellular PhonePrecision Output: The standard pro ..
LP2986AIMM-3.0/NOPB ,Micropower, 200 mA Ultra Low-Dropout Fixed or Adjustable Voltage Regulator 8-VSSOP -40 to 125Maximum Ratings(1)(2)over operating free-air temperature range (unless otherwise noted)MIN MAX UNIT ..
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LP2986AIMM-5.0 ,Micropower, 200 mA Ultra Low-Dropout Fixed or Adjustable Voltage RegulatorLP2986 Micropower, 200 mA Ultra Low-Dropout Fixed or Adjustable Voltage RegulatorJanuary 2002LP2986 ..
LP2986AIMM-5.0/NOPB ,Micropower, 200 mA Ultra Low-Dropout Fixed or Adjustable Voltage Regulator 8-VSSOP -40 to 125 SNVS137I–MARCH 1999–REVISED SEPTEMBER 20155 Pin Configuration and FunctionD Package DGK Package8-P ..


LM4960SQ
Piezoelectric Speaker Driver
LM4960
Piezoelectric Speaker Driver
General Description

The LM4960 utilizesa switching regulatorto drivea dual
audio power amplifier.It delivers 24VP-P mono-BTLtoa
ceramic speaker with less than 1.0% THD+N while operatinga 3.0V power supply.
The LM4960’s switching regulatorisa current-mode boost
converter operatingata fixed frequencyof 1.6MHz.
Boomer audio power amplifiers were designed specificallyto
provide high quality output power witha minimal amountof
external components. The LM4960 doesnot require output
coupling capacitorsor bootstrap capacitors, and thereforeis
ideally suitedfor mobile phone and other low voltage appli-
cations where minimal power consumptionisa primaryre-
quirement.
The LM4960 featuresa low-power consumption externally
controlled micropower shutdown mode. Additionally, the
LM4960 features and internal thermal shutdown protection
mechanism along witha short circuit protection.
The LM4960is unity-gain stable and canbe configuredby
external gain-setting resistors.
Key Specifications
VOUT@ VDD= 3.0 THD+N≤ 1% 24VP-P (typ) Power supply range 3.0to7V Switching Frequency 1.6MHz (typ)
Features
Stereo BTL amplifier Low current shutdown mode "Click and pop" suppression circuitry Low Quiescent current Unity-gain stable audio amplifiers External gain configuration capability Thermal shutdown protection circuitry Wide input voltage range (3.0V- 7V) 1.6MHz switching frequency
Applications
Mobile phone PDA’s
Connection Diagram
LM4960SQ

Top View
Order Number LM4960SQ
See NS Package Number
October 2004
LM4960
Piezoelectric
Speaker
Driver
ic,good price


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